Re: [PATCH -mm] swsusp: support creating bigger images (rev. 2)

From: Con Kolivas
Date: Mon May 15 2006 - 05:49:20 EST


On Sunday 14 May 2006 08:33, Rafael J. Wysocki wrote:
> On Friday 12 May 2006 12:30, Pavel Machek wrote:
> > > Please also remember that you are introducing complexity in other ways,
> > > with that swap prefetching code and so on. Any comparison in speed
> > > should include the time to fault back in pages that have been
> > > discarded.
> >
> > Well, swap prefetching is useful for other workloads, too; so it gets
> > developed/tested outside swsusp.
>
> Still my experience indicates that it doesn't play very nice with swsusp
> and unfortunately it hogs the I/O.

There is no swap prefetching code linked in any way to swsusp suspend or
resume on mainline or -mm. It was a preliminary experiment and Rafael lost
interest in it so I never bothered pursuing it.

--
-ck
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